Watch Dispatches online: Episode 13 The Westminster Gravy Train

In May 2008, freedom-of-information campaigner Heather Brooke won a court battle that should have prompted the release of all politicians' expense claims. A year later, with those expenses still to be published and the flow of leaked information ever increasing, Heather studies the information that is available to piece together a forensic insight into how public money is being spent.

click here to see where to watch or .